99-3x=3x+9

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Solution for 99-3x=3x+9 equation:


Simplifying
99 + -3x = 3x + 9

Reorder the terms:
99 + -3x = 9 + 3x

Solving
99 + -3x = 9 + 3x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-3x' to each side of the equation.
99 + -3x + -3x = 9 + 3x + -3x

Combine like terms: -3x + -3x = -6x
99 + -6x = 9 + 3x + -3x

Combine like terms: 3x + -3x = 0
99 + -6x = 9 + 0
99 + -6x = 9

Add '-99' to each side of the equation.
99 + -99 + -6x = 9 + -99

Combine like terms: 99 + -99 = 0
0 + -6x = 9 + -99
-6x = 9 + -99

Combine like terms: 9 + -99 = -90
-6x = -90

Divide each side by '-6'.
x = 15

Simplifying
x = 15

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